Investigation of magnetic flux gradients in hard superconductors

被引：0

作者：

Bruk, VV ^{[1
]}

Eremenko, VV ^{[1
]}

Makedonskaya, NI ^{[1
]}

Shabakayeva, YA ^{[1
]}

Sirenko, VA ^{[1
]}

机构：

[1] Natl Acad Sci Ukraine, B Verkin Inst Low Temp Phys & Engn, UA-61164 Kharkov, Ukraine

来源：

LOW TEMPERATURE PHYSICS | 2001年 / 27卷 / 04期

关键词：

D O I：

10.1063/1.1365607

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Analytical calculations of the transverse magnetostriction in a thin hard superconductor are presented in relation to the distributions of currents and fields within a superconducting specimen in a varied magnetic field. The approach is successfully tested on high-temperature superconductors. The flux distribution derived from magnetostriction measurements is in satisfactory agreement with that obtained from computer processing of magnetooptical images. The magnetic flux distribution below the irreversibility line of hard superconductors is derived from both original magnetization and magnetostriction measurements and image processing. Perfect consistency of the results is obtained for a family of high-temperature superconductors (La2-xSrxCuO4, Bi2Sr2CaCu2Ox, YBa2Cu3O7-delta). (C) 2001 American Institute of Physics.

引用

页码：311 / 315

页数：5

共 50 条

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